Enhancements (Version 2.0 and later): Tim Mann
Copyright 1991 by Digital Equipment Corporation, Maynard,
-Massachusetts.
+Massachusetts.
Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006, 2007,
-2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free Software Foundation, Inc.
Enhancements Copyright 2005 Alessandro Scotti